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Finding the Fourth Proportional to 633,199.29, 873,816.41 and 342,813.90

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Solution

The fourth proportional to 633,199.29, 873,816.41 and 342,813.90 is: 473,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,199.29 : 873,816.41 = 342,813.90 : x
  2. Step 2: Convert to fraction form
    633,199.29/873,816.41 = 342,813.90/x
  3. Step 3: Cross multiply
    633,199.29x = 873,816.41 × 342,813.90
  4. Step 4: Simplify right side
    633,199.29x = 299,556,411,396.10
  5. Step 5: Solve for x
    x = 299,556,411,396.10/633,199.29
  6. Step 6: Final answer
    x = 473,083.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.